.headroom {
    will-change: transform;
    transition: transform .5s ease;
}
.headroom--pinned {
	opacity: 1;
    transform: translateY(0%);
}
.headroom--unpinned {
	opacity: 0;
    transform: translateY(-100%);
}
.g-hd {
	box-sizing:border-box;
	background: rgba(255, 255, 255, 0.9);
	overflow: hidden;
	width: 100%;
	padding: 0;
	position: fixed;
	top: 0;
	right: 0;
	overflow: hidden;
	z-index: 1989;
}
.g-hd .bar {
	height: 0.57rem;
	position: relative;
	overflow: hidden;
		border-bottom: 1px solid #ddd;
}
.g-hd .bar .btn-return {
	margin-top: 0.07rem;
}
.g-hd .bar .brand {
	margin: 0.18rem auto;
	display: block;
}
.g-hd .bar .btn-ucenter {
	margin-top: 0.06rem;
}
.g-hd .bar .btn-logo {
	width: 1.4rem;
	display: block;
	margin: 0.13rem auto 0
}
.g-hd nav {
	height: 0.4rem;
	background: #444;
	color: #fff;
	display: block;
	width: 100%;
}
.g-hd nav ul {
	height: 0.4rem;
	padding: 0 0.15rem;
	font-size: 0.14rem;
}
.g-hd nav ul li {
	box-flex: 1;
	-webkit-box-flex: 1;
	text-align: center;
	font-size: 0.14rem;
}
.g-hd nav ul li a {
	color: #fff;
	font-size: 0.14rem;
	line-height: 0.40rem;
	height: 0.20rem;
	padding: 0.05rem;
}
.g-hd nav ul li a.active {
	border-bottom: 0.02rem solid #f00;
}
/*header.icon.css*/
.g-hd .bar .btn-ucenter {
	width: 0.21rem;
	height: 0.23rem;
	display: block;
	position: absolute;
	top: 0.13rem;
	right: 0.15rem;
	background: url(../img/uc.png) no-repeat;
	background-size: 100%;
}
